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Volume 4.1

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LOCATION:    13.8 Anti-Theft Alarm (ATA)   >   14 Diagnosis - Complaint Related Diagnostic Chart


Diagnosis - Complaint Related Diagnostic Chart

Preparation for Test:
1. Battery voltage 11 - 14 V,
2. Voltage supply to All-Activity Module is OK, see WIS, 2.2, 23
3. Fuses OK,
4. Version coding: "ATA installed", see 31
5. RCL system functional,

6. CL system functional,
7. All doors closed

Electrical wiring diagrams:
Electrical Troubleshooting Manual, Model 163,
(available in Work Shop Information System [WIS] only)

Complaint/Problem Possible cause Test step/Remedy 1)
Entire ATA system does not function. All-Activity Module (N10) Version coding, see 31
N10
No confirmation signal when arming ATA
ATA is not armed or not completely armed 23 1.0
ATA status indicator does not function.
ATA status indicator (E33)
23 2.0
After locking using the transmitter key,
the alarm is triggered.
Door separation points (X35/1, X35/2, X35/3, X35/4)

Left/right rear door rotary tumbler
microswitch (S87/2, S87/3)
Left/right front door rotary tumbler
microswitch (S87/6, S87/7)
Rotary tumbler/trunk lid microswitch (S88/1)
Engine hood switch (ATA) (S62)
Check connections at door separation points.
23 4.0
23 5.0
23 6.0
23 3.0
When opening one of the front doors, the alarm is not triggered. Left front door rotary tumbler (S87/7)
Right front door rotary tumbler (S87/6)
Microswitch (CL) (M14/6s1)
Microswitch (CL) (M14/5s1)
23 4.0
See WIS, 20.1, 23


When opening one of the rear doors, the alarm is not triggered. Left rear door rotary tumbler microswitch (S87/2)
Right rear door rotary tumbler microswitch (S87/3)
Microswitch (CL) (M14/8s1)
CL microswitch (M14/9s1)
23 5.0
See WIS, 20.1, 23
When opening tailgate, the alarm is not triggered. Rotary tumbler/trunk lid microswitch (S88/1)
Microswitch (CL) (M14/7s1)
23 6.0
See WIS, 20.1, 23
See WIS, 20.1, 23
When opening engine hood, the alarm is not triggered. Engine hood switch (ATA) (S62)
23 3.0
ATA "acoustical" alarm does not sound. Alarm horn (H3)
All-Activity Module (AAM) (N10)
23 7.0
ATA "optical" alarm does not function. Blinker system
All-Activity Module (AAM) (N10)
Check blinker system.
ATA will not cancel via remote control. RCL system See WIS, 4.11, 13
ATA will not cancel via ignition ON RCL system See WIS, 4.11, 13
ATA will not self-arm itself. Version coding not proper
All-Activity Module (AAM) (N10)
See 31
Anti-tow protection and interior motion sensor do not function. Wiring
Trip computer control module (N41)
ATA tow sensor (B33)
23 8.0
Anti-tow protection and interior motion sensor can not be turned OFF. Trip computer control module (N41) N41
1) Observe Preparation for Test, see 22.